Underground irrigation device



FIG. 1 is a front elevational view of an underground irrigation device in accordance with the invention;

FIG. 2 is a right side elevational view thereof; the left side being a mirror image;

FIG. 3 is a back elevational view thereof;

FIG. 4 is a front perspective view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a side perspective view thereof. 

CLAIM The ornamental design for an underground irrigation device, as shown. 